Endorsement and vows to roll back bidens gun control reforms. Were speaking with voters looking ahead to the debates. Gio caught on camera. Surveillance video released showing the man accused of fatally striking a florida teenager with his motorboat minutes after the collision. Why his lawyer says it proves he was unaware of the incident. Whit travel alert. The state departments warning to u. S. Tourists ahead of pride month about potential attacks. And the advice theyre giving to travelers heading abroad. Janai sports smorgasbord. The Dallas Mavericks take the lead on a foul in the final seconds to punch their ticket to the western conference finals. The Dallas Mavericks for the second time janai Caitlin Clark in a recordsetting game. The oilers tie up the series. Theyre off janai and longshot seize the grey seizes the day at the preakness while three olympic champions vie for a chance to win gold again. Gio plus, flying high. The man nominated by president john f. Kennedy to become the first black astronaut, finally heading to space 60 years later. And this wasnt is once in a lifetime that ill share for the rest of my life. Gio the 90yearold finally getting his big chance today. Gio and what an uplifting way to say good morning, america, to you on this sunday morning and a good morning to ed dwight. What a story. 60 years later finally getting his chance to go to space. Well meet him. Also ahead here, five days before memorial day weekend and weve got some lastminute travel deals for you as well as a look ahead to whats expected to be a record Summer Vacation season. Whit plus, the future of medicine, and some intriguing advances to talk about with dr. Darien sutton, including the brain implant to help paralyzed people control computers with only their thoughts. Janai that certainly sounds intriguing, but we do begin on the president ial campaign trail. Donald trump rousing his base. At the National RifleAssociation Convention in texas. Well go to dallas in just a moment. But first, President Biden in georgia to deliver the commencement address at morehouse college. Abcs celina wang joins us live from atlanta. Good morning to you. Protests are anticipated. Reporter hey, good morning, janai. Just in a couple of hours President Biden is going to be giving the commencement speech here at morehouse college. But as you say, some students are protesting this. They are angry over the president s visit and his handling over the war in gaza. This is a chance to reach out to black voters. This morning, President Biden on a highstakes visit in battleground georgia. This election lots at stake. Lots at stake. Its not about me, its about the alternative as well. Reporter campaigning at a blackowned restaurant in downtown atlanta overnight, taking jabs at donald trump. My opponents not a good loser. But he is a loser. Reporter biden trying to reverse eroding support from black voters, a key block he needs for his reelection. Polls show weakening support from black men and young voters, the same constituency hes speaking to this morning at morehouse, an allmale institution. Our latest poll shows 85 of black voters over the age of 50 support biden. But for those under the age of 50, that number drops to 64 . Some students say they do not want a Campaign Speech on graduation day. It feels kind of like a hijacking our commencement. Hey, like remember me . I want you guys to vote for me. Reporter students weighing in on bidens visit as campus protests flair over his handling of the war in gaza. Do you think President Biden should be at morehouse . Im personally not in favor of it. Any time a president comes to a school or any location is a great honor. We dont agree with his values. Its messing up our day. As a black man i have to support a candidate who supports my upbringing and my success. So i think that will be President Biden. Reporter there is tight security here. The College President has said that if any protests turn disruptive hell cancel commencement on the spot. And ive spoken to some students who say, look, they wish the president wasnt here but they just want to get a smooth graduation and hope that President Biden does not overshadow it. Gio . Gio that is a concern for some of those students. Thank you for your reporting. Former President Trump at the nra conference promising members that he will roll back every one of President Bidens gun control policies. Abcs jay obrien is live there in dallas where that meeting happened. Good morning, jay. Reporter good morning, gio. Trump picked up the endorsement of the nra last night. It was one he could always expect to get. But he used the opportunity here to deliver rallystyle remarks, the kind that hes not often giving these days because hes been spending his weeks in court. This morning, former President Donald Trump picking up the endorsement of the nra at its annual convention in dallas, vowing to roll back President Bidens gun reforms after an estimated 150plus Mass Shootings so far this year. They want to take away your rights. I know that better than anybody. They want to take away my rights better than anybody. Reporter trump making a Rare Campaign appearance after a week in court. Then his sons graduation, then back on the campaign trail for the First Time Since agreeing to two debates with President Biden. Nobody thought he was going to debate. They didnt think i would accept. I accept. Reporter both debates planned much earlier than usual. One is set for june and another hosted by abc news in september. Even some supporters here in texas with unique advice for the former president. You want him to tone it down a little bit . I would like to say act a little bit more professional. Shut his mouth. He pops off his mouth with some ridiculous things. Reporter undecided voters remember the chaotic biden trump debates in 2020. Do you have any idea of what this clown is doing reporter are you guys worried that the debates will look the same . Everybody wants to stay on one side. I believe this, you believe this. In actuality, americans have more in common. Reporter after this event here in dallas, the next expected appearance of the presumptive gop president ial nominee will be tomorrow when trumps hush money trial resumes in new york. Whit . Whit jay obrien for us, thank you. A federal judge has granted a motion to reopen the case of the man convicted of attacking Nancy Pelosis husband at their home. The court admitting that he wasnt given a chance to speak at his own sentencing hearing on friday as is required by law. Hell now get that chance on may 28th. Depape was sentenced to 30 years in federal prison for the attack. Janai turning overseas now to the war in ukraine, as that new russian offensive threatens ukraines second largest city. Abcs James Longman is in kharkiv with the latest. Good morning, james. Reporter good morning, janai. The destruction you see here is from the last time russia tried to occupy this region, now theyre trying again. Ukraine said they stabilized the situation but this could be part of a much wider russian push. This morning, ukraines military struggling to hold the line as russia continues to bear down on its northeastern front. Kharkiv, the city at the center of that fresh russian advance, under constant threat. Weve been in kharkiv a few days now and every day we hear missile and drone attacks coming in on the city. This hit just a few hours ago. We actually heard it hit. We got investigators here on the site. The house ruined. You can see the crater there. In the garden. We spoke to marina. The missile landed just feet from her home. Her family previously moving here after being displaced from fighting. Her story is sadly not uncommon. Shes already on the move because of this war. Shes lost her home elsewhere in ukraine and yet another bomb has found her. Reporter civilians are being forced to flee there and other surrounding communities, and they get aid in centers like this. This comes as president zelenskyy signed new legislation that mobilizes convicts to the wars front lines. The current country is dealing with major manpower shortage and waning morale. During a state visit to china, president putin seized on it. Life in the city goes on. We took a look inside this underground school where students try to carry on with their routine away from the constant bombs. I think its strange and its scary to us, but we understand that its war outside and need to go to safe place. Reporter manpower really is an issue for the ukrainians right now, but its linked to weapons supplies. The more arms arrive in this country, the quicker they get here, the more men they can save. Janai . Janai thanks for the reporting. And make sure to turn into this week. Martha raddatz speaks with Maryland Democratic senator chris van hollen. About the 2024 race and the upcoming president ial debates. Plus, the latest on the uproar around Supreme CourtJustice Samuel alito and ukraines fighting. That is all coming up this morning on this week. Were going to go to l. A. Now, where the District Attorneys Office is responding to the Disturbing Hotel video showing Sean Diddy Combs attacking his thengirlfriend Cassie Ventura in 2016. They are saying they cannot prosecute the music mogul because they say its outside the statute of limitations. In the video ventura is being shown being thrown to the hotel and then being kicked twice while being dragged away. Her attorney saying the video supports venturas claims of assault that have long been denied by combs from a now settled lawsuit. Combs has not commented on the video, whit. Whit gio, now a fatal boat collision that took the life of a 15yearold girl in florida. The Surveillance Video now being released showing what the Boat Operator was doing after the deadly incident. Ike ejiochi is here with the latest. Reporter in this new video the Boat Operator appears calm just as hes docking his boat just after the fatal incident occurred. Now his lawyer is speaking out saying her client had no idea he hit anything, let alone a person. This morning, were getting a closer look at the Surveillance Video showing the owner of a boat moments after his vessel struck a florida teen, according to authorities. In the video 78yearold Carlos Guillermo alonzo appears calm as he docked the boat. It raises questions about whether he was involved. He was out on the water alone that day. He had no idea that an accident occurred. He had no knowledge of the accident until Law Enforcement came knocking at his door. Reporter Authorities Say 15yearold ella adler was wakeboarding with friends off the coast of key biscayne last weekend. She fell in the water with her board still attached to her feet waiting for her friends to circle back and pick her up. Thats when investigators say alonzo struck adler with his 42 foot long boat without stopping to help. If bill hit anything, let alone a person, he absolutely would have stopped. Reporter the incident prompted a search that lasted several days. They located the suspected boat in coral gables, seizing the vessel and hauling it away. Adler was a High School Freshman and talented ballerina appearing in over 100 performances with the miami city ballet according to her obituary. Adlers family sharing this statement. Saying ella was beautiful and shined brightly. In her 15 years she gave us more light than we could have ever dreamed. The miami city ballet releasing a statement saying theyre utterly devastated and that ella was not just a beloved student, and a magnificent dancer, but an integral part of our family. As for alonzo, hes fully cooperating with Law Enforcement, its unclear if any charges will be filed. Janai so many impacted in the meantime. Ike, thank you. Now to the security alert for american lgbtq plus travelers overseas. The state department issuing the warning this weekend. Abcs jaclyn lee explains the details. Good morning, jaclyn. Reporter good morning. Look. A worldwide caution alert is relatively rare. The last time the state department issued one was last object after the outbreak of the israel hamas war. Now the state department say lgbtqiplus people traveling overseas need to be on alert for the increased potential of foreign terrorist inspired violence. So, the state department does have some guidance. Take a look. They say be alert in tourist areas, pride celebrations, venues frequented by lgbtqi plus people. Sign up for the smart traveler enrollment program, also known as s. T. E. P. Follow the state department on social media. What the s. T. E. P. Program does is send you information and alerts and makes it easier to alert you if there is an emergency overseas. Pride month is next month. There will be a lot of people in one confined area. Its critical that everyone keep an eye out. Gio . Gio thats right. If you see something, say something. Jaclyn, thank you so much. And weve got a Health Warning now for anyone who recently traveled through los angeles. Officials say a traveler who recently passed through terminal b over at l. A. X. Was infected with measles and may have exposed others. That traveler arrived on a qatar flight on may 9th. People not vaccinated are at risk of contracting the disease. Symptoms could develop within three weeks of exposure. Whit turning to gymnastics first. Three u. S. Olympic allaround gold medalists are competing against each other hoping to make the team for the paris olympics. Morgan is here. Reporter good morning. The path to paris 2024 already one for the record books. As you pointed out, for the first time in history we have not one, but two, but three u. S. Olympic allaround champs battling it out. In the same event. Lets talk about it, gymnastics big three. Gabby douglas, simone biles and suni li completing in the core hydration classic. This is a crucial step to make team usa and getting to the stage has not been easy for that trio. Gabby douglas looking to make a comeback after nearly eight years away from the sport. Suni li defying the odds after being told that she wouldnt be able to compete due to her Kidney Disease and then simone biles who at one point remember questioned whether she would return to the olympics after experiencing the twisties back in 2020 at the tokyo games. She proved that shes still the g. O. A. T. Dazzling judges with her signature triple twisting double somersault. Thats a tongue twister there in her floor routines, easily claiming the all around title for this event. We did see a tough start for gabby douglas. After coming off the bars twice, she did withdraw immediately following that first rotation. Suni li nailing it, on the beam and the floor. All three had their sights set on the National Championships later this month. Those results will decide who gets invited to the olympic trials next month in minneapolis. Janai theres already so much excitement. Whit absolutely. Janai to see them those stars out there and their stories. Whit three have incredible comeback stories. Gabby and simone, interviewed both of them multiple times in the rio olympics in 2016. Theyve both been quite the journey. Janai morgan, thank you so much. It is a time now for a check of the weather. Somara theodore, bring us the severe storms. Somara i know, right. This morning, i want to talk specifically to our friends and family in central kansas, you are all in the bullseye. That means we have an elevated risk for tornadoes. We can see very strong tornadoes. We can see them as far north as pierre and as far south as northern oklahoma. Now my heart is going out to houston. 350,000 people are still without power and now were layering on the fact that were going to be in the 90degree temperature zone for the next few days with the humidity its only going to feel hotter. Finally, i want to talk about the Severe Weather threat thats posed in southern florida. Thats today. This afternoon for port st. Lucie, down to miami. Thats a somara and thats a look at your local forecast. Here in the northeast, were going to get that forecast but this weekend its looking nice. Whit its about time. Janai oh, wait. Were all hanging out later. Somara we are. Janai you, too. Gio now, were going to talk about what i think may be my favorite story of the day. History in the making today, as americas first black astronaut candidate is finally, finally set to go into space after being denied his chance six decades ago. And if all goes as planned, hell become the oldest person ever to get there. He never made it to space 60 years ago, but that all changes today. Air force test pilot ed dwight was nominated by president john f. Kennedy in 1961 to become the first black astronaut. My hope was getting into space in any kind of way, but they were not going to let that happen. Reporter when kennedy was assassinated, dwights path to space evaporated. Number one, i wasnt tall enough. I was catholic. I wasnt black enough. I was not the model of the negro race. I was a oneman operation when the president announced to the world that he was going to announce a black astronaut. Whit this morning, ed dwight, now 90 years old, a celebrated sculptor and author, reaching for the stars launching on blue origins robert from west texas. Dwight, along with five fellow travelers, will partake into an